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Finding the Fourth Proportional to 452.60, 624 and 369.56

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Solution

The fourth proportional to 452.60, 624 and 369.56 is: 509.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.60 : 624 = 369.56 : x
  2. Step 2: Convert to fraction form
    452.60/624 = 369.56/x
  3. Step 3: Cross multiply
    452.60x = 624 × 369.56
  4. Step 4: Simplify right side
    452.60x = 230,605.44
  5. Step 5: Solve for x
    x = 230,605.44/452.60
  6. Step 6: Final answer
    x = 509.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.